It's often used on movie soundtracks to evoke the shiny-happy hippie dream, but in reality, no song better embodied the cultural collapse of the '60s than this masterpiece by Jesse Colin Young and his excellent band. What starts as a tinkling, feel-good riff soon turns to a yearning for togetherness and the sad, fading realization that such a thing will never happen. What starts as a smile quickly becomes a head shaking in disbelief.

It appeared in Fear & Loathing in Las Vegas, and it captures Hunter S. Thompson's observation about a once-great wave cresting unfulfilled and rolling back.